package com.atguigu.common.vaild;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;


public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    /**
     * @Description 初始化方法
     * @Author mashanghaoyun
     * @Date 15:17 2020/8/31
     * @Param [constraintAnnotation]
     * @return void
     **/
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if (vals.length > 0) {
            for (int val : vals) {
                set.add(val);
            }
        }
    }

    /**
     * @Description 判断是否校验成功
     * @Author mashanghaoyun
     * @Date 15:18 2020/8/31
     * @Param [value（当前提交校验的值）, context]
     * @return boolean
     **/
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        if (set.size() > 0) {
            if (set.contains(value)) {
                return true;
            }
        }
        return false;
    }
}
